/* ===== UNNOTI Dark Mode ===== */
[data-theme="dark"] {
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.8);
  --bg-glass: rgba(15, 23, 42, 0.7);
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-color: rgba(148, 163, 184, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.3);
  --input-bg: #1E293B;
  --navbar-bg: rgba(15, 23, 42, 0.9);
  --footer-bg: #020617;
  --code-bg: #1E293B;
}

[data-theme="dark"] body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

[data-theme="dark"] .navbar,
[data-theme="dark"] header {
  background: var(--navbar-bg) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .navbar .nav-link,
[data-theme="dark"] .navbar-brand {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .card,
[data-theme="dark"] .glass-card {
  background: var(--bg-card) !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary);
}

[data-theme="dark"] .card-body h5,
[data-theme="dark"] .card-body h4,
[data-theme="dark"] .card-body h3,
[data-theme="dark"] .card-title {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .card-body p,
[data-theme="dark"] .card-text {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] h1, [data-theme="dark"] h2,
[data-theme="dark"] h3, [data-theme="dark"] h4,
[data-theme="dark"] h5, [data-theme="dark"] h6 {
  color: var(--text-primary);
}

[data-theme="dark"] p, [data-theme="dark"] span,
[data-theme="dark"] li {
  color: var(--text-secondary);
}

[data-theme="dark"] a:not(.btn) {
  color: #60A5FA;
}

[data-theme="dark"] .bg-light,
[data-theme="dark"] .bg-white {
  background-color: var(--bg-secondary) !important;
}

[data-theme="dark"] section {
  background-color: var(--bg-primary);
}

[data-theme="dark"] section:nth-child(even) {
  background-color: var(--bg-secondary);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: var(--input-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background-color: var(--bg-tertiary);
  border-color: #2563EB;
  color: var(--text-primary);
}

[data-theme="dark"] .form-control::placeholder {
  color: var(--text-muted);
}

[data-theme="dark"] .modal-content {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-menu {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
  color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover {
  background-color: var(--bg-tertiary);
}

[data-theme="dark"] .accordion-item {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .accordion-button {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

[data-theme="dark"] .accordion-button:not(.collapsed) {
  background-color: var(--bg-tertiary);
  color: #60A5FA;
}

[data-theme="dark"] .accordion-body {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

[data-theme="dark"] footer {
  background-color: var(--footer-bg) !important;
}

[data-theme="dark"] .table {
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .badge.bg-light {
  background-color: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .border {
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .shadow,
[data-theme="dark"] .shadow-sm,
[data-theme="dark"] .shadow-lg {
  box-shadow: 0 4px 20px var(--shadow-color) !important;
}

[data-theme="dark"] .text-dark {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .text-muted {
  color: var(--text-muted) !important;
}

[data-theme="dark"] .skeleton {
  background: linear-gradient(90deg, #1E293B 25%, #334155 50%, #1E293B 75%);
  background-size: 200% 100%;
}

[data-theme="dark"] .hero-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}

[data-theme="dark"] .stats-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.1);
}

[data-theme="dark"] .timeline-item::before {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .btn-outline-dark {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

[data-theme="dark"] .btn-outline-dark:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

/* Bento grid / Why Choose section */
[data-theme="dark"] .bento-item {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .bento-item h4,
[data-theme="dark"] .bento-item h5 {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .bento-item p {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .bento-item:hover {
  border-color: #2563EB !important;
}

/* Section headers */
[data-theme="dark"] .section-title {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .section-subtitle {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .section-badge {
  background: rgba(37, 99, 235, 0.15);
  color: #60A5FA;
}

/* Course cards */
[data-theme="dark"] .course-card {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .course-card-body h4 {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .course-card-body p {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .course-meta {
  color: var(--text-muted) !important;
}

/* Testimonial cards */
[data-theme="dark"] .testimonial-card {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .testimonial-card blockquote {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .testimonial-card .name {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .testimonial-card .role {
  color: var(--text-muted) !important;
}

/* Certificate cards */
[data-theme="dark"] .certificate-card {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .certificate-card h4 {
  color: var(--text-primary) !important;
}

/* Career cards */
[data-theme="dark"] .career-card {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .career-card h5 {
  color: var(--text-primary) !important;
}

/* Timeline */
[data-theme="dark"] .timeline-content {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .timeline-content h4 {
  color: #60A5FA !important;
}

[data-theme="dark"] .timeline-content p {
  color: var(--text-secondary) !important;
}

/* Dark mode toggle button */
.theme-toggle {
  background: none;
  border: 2px solid rgba(148, 163, 184, 0.3);
  border-radius: 50px;
  padding: 6px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #64748B;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  border-color: #2563EB;
  color: #2563EB;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  transition: opacity 0.3s ease;
}

[data-theme="dark"] .theme-toggle {
  color: #FCD34D;
  border-color: rgba(252, 211, 77, 0.3);
}

[data-theme="dark"] .theme-toggle:hover {
  border-color: #FCD34D;
}

/* Smooth transition for theme change */
body, .card, .navbar, section, footer,
.form-control, .btn, .accordion-item,
.modal-content, .dropdown-menu, h1, h2, h3, h4, h5, h6, p, a, span {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}